“target echo”的概念、定义、翻译、参考文献-科学参考

单词	target echo
释义	target echo [`tär·gǝt ´ek·ō] ^{ELECTROMAGNETISM} A radio signal reflected by an airborne or other target and received by the radar station which transmitted the original signal.
随便看	summary recorder summation check summation convention summation network summation principle summation tone summation wave summer summer black oil summer noon summer savory oil summer solstice summer time summerwood summing amplifier summing network summit summit plain Sumner line Sumner method sum of states sum over states sump sump fuse sump pit

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